Upstream write on their documentation, that updatechecks is only needed
if Weblate is updated. And as one run takes ~2h, we skip it for the
moment. Discussed with emmapeel and groente.

Add temporary workaround for missing redirection of some URLs without a trailing slash (refs: #16220)

This makes it easier to deploy this code in a dev/test environment.

This makes it easier to deploy this code in a dev/test environment.

One won't need to compute stats unless they actually host a webserver
for the website.

This reverts commit caeb0675.

This commit introduced a different regression: ikiwiki.cgi would
not be executed anymore (#16227). This breaks all kinds of ikiwiki
functionality, such as refreshing the website when we push changes
to Git.

https://puppet.com/docs/puppet/4.8/lang_conditional.html#selectors

We only need to know whether there's a match here.

Since we depend on 3 resources out of the 4 managed by the tails::borgbackup
class, we can as well depend on the class itself.